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hilly

[hil-ee] /ˈhɪl i/
adjective, hillier, hilliest.
1.
full of hills; having many hills; hilly country.
2.
resembling a hill; elevated; steep.
Origin
1350-1400
1350-1400; Middle English; Old English hyllīc. See hill, -y1
Related forms
hilliness, noun
unhilly, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Word Origin and History for un hilly

hilly

adj.

late 14c., from hill + -y (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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